NUCLEAR TECHNIQUES, Volume. 47, Issue 3, 030101(2024)
Installation and commissioning of accelerators associated with the new beamline in synchrotron radiation light source
Figures & Tables(9)
Fig. 1. Schematic diagram of the magnet array of the insertion devices
Fig. 2. Mechanical diagram of the installation of the double-canted insertion devices in the fourth straight section (The left side is the IVU and the right side is the Wiggler. A represents the small diode that generates the double-canted angle, and B represents the closed-orbit distortion compensation coil of the ID)
Fig. 3. Spectral brightness (a) and flux (b) of 04IVU and 04Wiggler
Fig. 4. Schematic of total disturbance momentum of IVU&Wiggler before and after orbit compensation (a), the relationship between the four feedforward power supplies and variation of magnetic gap (b)
Fig. 5. Vacuum cleaning of the front-end area of a new beamline project
Table 1. Wiggler and IVU parameters
View tableView in ArticleTable 1. Wiggler and IVU parameters
插入件
ID name
、周期长度
Period length
、周期数Number of period 峰值磁场Peak magneticfield 磁间隙Gap / mm 总长度
Total length/ mm
、一次积分场误差First-order magnetic
field integral error
、二次积分场误差Second-order magnetic field integral error 扭摆器Wiggler 100 mm 16 1.58 T 15~100 1 750 ≤50 Gs∙cm （│x│≤1.6 cm） ≤25 000 Gs∙cm2
(│x│≤1.6 cm)
波荡器IVU 20 mm 80 0.84 T 6~30 2 060
Table 2. Risk items and contingency plans during the installation phase of subsequent beamline projects
View tableView in ArticleTable 2. Risk items and contingency plans during the installation phase of subsequent beamline projects
风险项 Risk items 预案 Plan 真空波荡器安装位置与相邻束线前端已有设备干涉
The installation position of the IVU interferes with the existing equipment at the front end of the adjacent beam line
设计过程中调整离子泵角度
Adjusting the ion pump angle during the design process
储存环四极铁与束线前端真空室干涉
Interference between the storage ring quadrupole and the vacuum chamber at the front end of the beamline
对四极铁的立板进行切割
Cutting the vertical plate of quadrupole
辐射防护门与新安装设备干涉
Radiation protection doors interfere with newly installed equipment
对辐射防护门进行切割改造
Cutting and modification of radiation protection doors
Table 3. Summary of closed-orbit distortion before and after feedforward, and the integral field errors of IVU and Wiggler
View tableView in ArticleTable 3. Summary of closed-orbit distortion before and after feedforward, and the integral field errors of IVU and Wiggler
插入件名称
ID name
、Bx一次积分场误差
Bx first-order magnetic field integral error
、By一次积分场误差
By first-order magnetic field integral error
、二次积分场误差Second-order magnetic field integral error 磁间隙Gap / mm 校正前最大轨道扰动CODx,y / μm 校正后最大轨道扰动FFCODx,y
/ μm
、波荡器IVU ±30 Gs·cm（│x│≤1.6 cm） ±50 Gs·cm
（│x│≤1.6 cm）
±10 000 Gs·cm2
(│x│≤1.6 cm)
6~30 26/40 < 2.0/1.5 扭摆器Wiggler ≤50 Gs∙cm （│x│≤1.6 cm） ±40 Gs·cm
（│x│≤1.6 cm）
±12 000 Gs·cm2(│x│≤1.6 cm) 15~100 36/22 < 2.0/2.0
Table 4. Analysis table of common faults during beamline station operation
View tableView in ArticleTable 4. Analysis table of common faults during beamline station operation
位置 Locations 是否引起丢束 Beam loss or not 故障名称 Fault name 插入件 IDs 是 Yes 联锁逻辑错误 Interlocking logic error 插入件 IDs 否 No 磁间隙无法移动 The gap cannot move 线站 Beamline 是 Yes 前端区真空异常 Vacuum abnormality in front-end area 线站 Beamline 是 Yes 前端区电源故障 Front-end area power failure 线站 Beamline 是 Yes 安全联锁PLC故障 Safety interlock PLC failure 线站 Beamline 否 No 安全光闸关闭延迟 Safety shutter closing delay
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Guangwei JIAO, Shunqiang TIAN, Shengwang XIANG, Ya ZHU, Xinzhong LIU, Shuai WU. Installation and commissioning of accelerators associated with the new beamline in synchrotron radiation light source[J]. NUCLEAR TECHNIQUES, 2024, 47(3): 030101
Paper Information
Category: Research Articles
Received: Oct. 31, 2023
Accepted: --
Published Online: Apr. 29, 2024
The Author Email: TIAN Shunqiang (TIANShunqiang)
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